U.S. stocks moved broadly higher in morning trading Friday, erasing modest losses from the day before. Technology companies, banks, and health care stocks were among the biggest gainers. Investors weighed the latest batch of company earnings news. They also kept an eye on Washington, where GOP lawmakers sought to line up enough votes to push a sweeping tax overhaul package forward. KEEPING SCORE: The Standard & Poor's 500 index rose 19 points, or 0.8 percent, to 2,671 as of 11:25 a.m.